The Image above is the entire skeletal system, all 206 bones.
Anterior, posterior, and sagittal views of the human skeleton.
The human body is composed of 206 different bones. These 206 bones of the human skeleton are distributed between the axial skeleton and the appendicular skeleton. Eighty bones are in the axial skeleton, making up the skull, vertebral column, and the thorax. The other 126 of appendicular make up the upper and lower extremities, the shoulder girdle, and the pelvic girdle. From there theses bones can be classified by shape as long, flat, short, or irregular. Long bones are longer than they are wide and consist of a narrow tubular diaphysis that merges into a broader neck (metaphysis) and a broad end (epiphysis). Long bone contain two types of marrow: red and yellow. Red bone marrow contains RBCs and is used in growth of children, teenagers, and young adults. Yellow bone marrow is composed of fat and is typically found in adults. In flat bones two plates of compact bone are roughly parallel to each other. Short bones are cuboidal in shape and consist of spongy bone covered by a thin layer of compact bone. Finally irregular bone, such as the vertebrae, mandible or facial bones, have various shapes that include thin and thick segments. The thin part of an irregular bone consists of two plates of compact bone with spongy bone in between. The thick part consists of spongy bone surrounded by a layer of compact bone. Bones themselves are also composed of cells which are categorized into three groups: osteoblasts, osteocytes, and osteoclasts. Osteoblasts are the bone forming cells and their primary function is to lay down new bone. Osteocytes are the osteoblast that have become imprisoned within the mineralized bone matrix (ground substances that consist of collagen and proteins). Osteoclasts primary function is to resorb (remove) bone during the process of growth and repair.